/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/**
 * @filename: lookup_symbol.h
 */

#include "server_includes.h"
#include "item/num.h"
#include "error.h"
#include "session.h"
#include "sql_base.h"


#include "lookup_symbol.h"
#include "lex_symbol.h"

#include "function_hash.h"
#include "symbol_hash.h"

const SYMBOL *lookup_symbol(const char *s, unsigned int len, bool function)
{
  const SYMBOL* ret_sym= NULL;
  if (function)
  {
    ret_sym= function_hash::in_word_set(s, len);
    if (ret_sym && ret_sym->tok)
      return ret_sym;
  }

  ret_sym= symbol_hash::in_word_set(s, len);
  if (ret_sym && ret_sym->tok)
    return ret_sym;
  return NULL;
}

